feat: Implement a PowerShell example #18

	name: Validate Samples

	on:
	pull_request:
	branches: [ mainline ]
	paths:
	- samples/**

	jobs:
	CopyrightHeader:
	name: Copyright Header
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Check Header
	run: \|
	set -eou pipefail
	EXPECTED_HEADER="# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved."
	for f in $(find samples/ -name '*.yaml')
	do
	echo "Checking: $f"
	if test "$(head -n 1 $f)" != "${EXPECTED_HEADER}"
	then
	echo "ERROR: Copyright header missing on file: $f"
	exit 1
	fi
	done

	TemplateValidation:
	name: Check template syntax
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'

	- name: Install openjd-cli
	run: \|
	pip install --upgrade pip
	pip install openjd-cli

	- name: Run check
	run: \|
	set -eou pipefail
	for f in $(find samples/v2023-09/ -name '*.yaml')
	do
	echo "Checking: $f"
	openjd check $f
	if test $? -ne 0
	then
	echo "Failed check"
	exit 1
	fi
	done

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